[U-Boot] [PATCH v2 09/14] cmd: efishell: add dh command

AKASHI Takahiro
2018-11-05T09:06:48Z

"dh" command prints all the uefi handles used in the system.
=> efishell dh
(T.B.D.)
0: (protocol info not available)
1: (protocol info not available)
2: (protocol info not available)
3: (protocol info not available)
4: (protocol info not available)
5: (protocol info not available)
6: (protocol info not available)
7: (protocol info not available)
8: (protocol info not available)
9: (protocol info not available)
10: (protocol info not available)
11: (protocol info not available)
12: (protocol info not available)
13: (protocol info not available)
14: (protocol info not available)
15: (protocol info not available)

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
---
cmd/efishell.c | 33 ++++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/cmd/efishell.c b/cmd/efishell.c
index 3e1118a407ff..bd2b99e74079 100644
--- a/cmd/efishell.c
+++ b/cmd/efishell.c
@@ -514,6 +514,33 @@ static int do_efi_show_memmap(int argc, char * const argv[])
return CMD_RET_SUCCESS;
}

+static char *efi_get_proto_info(efi_handle_t handle)
+{
+ return strdup("(protocol info not available)");
+}
+
+static int do_efi_show_handles(int argc, char * const argv[])
+{
+ efi_handle_t *handles = NULL, *handle;
+ char *info;
+ int i;
+
+ handles = efi_get_handles_by_proto(NULL);
+ if (!handles)
+ return CMD_RET_SUCCESS;
+
+ for (handle = handles, i = 0; *handle; handle++, i++) {
+ /* TODO: depends on protocols */
+ info = efi_get_proto_info(*handle);
+ printf("%d: %s\n", i, info ?: "");
+ free(info);
+ }
+
+ free(handles);
+
+ return CMD_RET_SUCCESS;
+}
+
static int do_efi_boot_add(int argc, char * const argv[])
{
int id;
@@ -900,6 +927,8 @@ static int do_efishell(cmd_tbl_t *cmdtp, int flag,
return do_efi_show_images(argc, argv);
else if (!strcmp(command, "memmap"))
return do_efi_show_memmap(argc, argv);
+ else if (!strcmp(command, "dh"))
+ return do_efi_show_handles(argc, argv);
else
return CMD_RET_USAGE;
}
@@ -929,7 +958,9 @@ static char efishell_help_text[] =
"efishell images\n"
" - show loaded images\n"
"efishell memmap\n"
- " - show uefi memory map\n";
+ " - show uefi memory map\n"
+ "efishell dh\n"
+ " - show uefi handles\n";
#endif

U_BOOT_CMD(
--
2.19.0